题目内容：

.-Did you say something rude to her because of what she'd done?
-Yes,but I___so.
A.had better notdo B.would rather not do C.oughtn't to do D.would rather not have done

优质解答

答案D.但我宁可没那么做,would rather not have done sth 表示虚拟语气,表示与当时情况相反.